Food scale



FIG. 1 is a perspective view of the food scale;

FIG. 2 is a top view of the food scale;

FIG. 3 is a left side view of the food scale;

FIG. 4 is a right side view of the food scale;

FIG. 5 is a bottom view of the food scale;

FIG. 6 is a front view of the food scale; and,

FIG. 7 is a rear view of the food scale.

The broken lines show portions of a food scale that form no part of the claimed design. 

CLAIM The ornamental design for a food scale, as shown, and described. 